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The Benefits of Timeboxing

Sprints (or iterations if you prefer) are rooted in the concept of timeboxing, a time-management technique that helps organize the performance of work and manage scope. Each sprint takes place in a timeframe with specific start and end dates, called a timebox. Inside this…

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How’s That Working for You?

During my client work I am frequently presented with a description of some approach a team or organization is taking when applying agile. I am then often asked for my opinion on that approach. I most frequently respond by asking the following question: “How’s that working for…

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Agile Documentation and the Economics of Batch Size

Nearly every week, an agile team will ask me, When should we create and update our development documentation?

For example, I recently taught a class for a company that is developing a medical device and its surrounding software ecosystem. It was a diverse class that included…

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User Stories: Match the Goal to the Role

Agile teams write user stories to express the desired business value for many types of product backlog items, especially features.    

One common format for user stories is:

This simple user story format helps teams craft well-written stories that business people and…

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Estimation of Non-Functional Requirements

A non-functional requirement (NFR) is a system-level (or product-level) constraint. NFRs do not relate to functionality but instead refer to attributes, such as performance, accuracy, portability, reusability, maintainability, interoperability, capacity, platform fan-out, and so…

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